Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.04838709677419
2008	3.20817006018145
2009	3.0870142844
2010	2.9844015024
2011	3
2012	2.6
2013	2.8
2014	2.8
2015	2.78063578103126
2016	2.8
2017	2.8